Light control in a hemicylindrical whispering gallery microcavity-parallel plate waveguide system
We have shown that a structure composed of a semiconductor hemicylinder and a dielectric waveguide separated by a thin metal layer permits efficient and easy light control. In such a system, it is possible to ensure matching between TE and TM modes of a low refractive index waveguide with the corres...
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| creator | Parsamyan, Henrik Haroyan, Hovhannes Nerkararyan, Khachatur |
| description | We have shown that a structure composed of a semiconductor hemicylinder and a dielectric waveguide separated by a thin metal layer permits efficient and easy light control. In such a system, it is possible to ensure matching between TE and TM modes of a low refractive index waveguide with the corresponding whispering gallery modes of the hemicylinder of a higher refractive index, a circumstance that allows one to reduce the resonator sizes to the order of the exciting wavelength in the vacuum still having rather high Q-factor around 2*10^4. Due to pronounced electro-optical properties of the resonator medium, one is able to effectively control the output light intensity by varying the refractive index of the hemicylinder in the order of 10^(-4). |
| doi_str_mv | 10.48550/arxiv.2006.00437 |
| format | Article |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | Dielectric waveguides Luminous intensity Optical properties Parallel plates Physics - Optics Refractivity Resonators Stability Whispering gallery modes |
| title | Light control in a hemicylindrical whispering gallery microcavity-parallel plate waveguide system |
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